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| Phone | Palm Treo 755p | Samsung Comeback T559 | Huawei M228 | Samsung Exclaim M550 | Huawei Mercury |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.6" diag. 5 : 3 |
1.8" diag. |
2.6" diag. 4 : 3 |
4" diag. 16 : 9 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
400 x 240 pixels (~179 ppi) LCD (TFT/TFD) |
? |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~245 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 1,600 mAh | 960 mAh | 1,150 mAh | 960 mAh | 1,900 mAh |
| Processor | 312 MHz Intel XScale | ? | ? | ? | 1.4 GHz Qualcomm Snapdragon S2 MSM8655 |
| RAM | ? | ? | ? | ? | 512 MB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 2 megapixel | Yes | 2 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | CIF (352 x 288) | QVGA (320 x 240) | - | ? | 720p HD |
| Front Camera | - | - | - | - | Yes |
| Weight |
5.64 oz (160g) |
4.6 oz (130g) |
2.96 oz (84g) |
4.69 oz (133g) |
4.9 oz (139g) |
| Dimensions |
4.4" x 2.3" x 0.84" (112 x 58 x 21.3 mm) |
4.33" x 2.2" x 0.73" (110 x 56 x 18.5 mm) |
4.29" x 1.78" x 0.59" (109 x 45 x 15 mm) |
4.45" x 2.24" x 0.67" (113 x 57 x 17 mm) |
4.8" x 2.4" x 0.5" (122 x 61 x 12.7 mm) |
| Form Factor | Slab | Slab | Slab | Slide | Slab |
| Platform / OS | Palm OS | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 4 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | EVDO r0 | HSDPA 3.6 | 1xRTT | EVDO r0 | EVDO rA |
| Features | |||||
| GPS / Location | n/a | - | Yes | Yes | n/a |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | - | - | n/a |
| Hearing Aid Compatible | Yes | - | Yes | Yes | Yes |
| Multiple Languages | n/a | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | Yes | - | - | - | - |
| Mobile Hotspot | n/a | - | - | - | n/a |
| USB | Yes | Yes |
Yes Mini-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | - | - | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | n/a | Yes | Yes | Yes | n/a |
| Ringer ID | n/a | Yes | - | Yes | n/a |
| Voice Dialing | n/a | Yes | - | Yes | n/a |
| Customization | |||||
| Custom Graphics | n/a | Yes | Yes | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | Yes | n/a |
| Real-Music Ringers | n/a | Yes | - | Yes | n/a |
| Data & Network | |||||
| Data Tethering | n/a | - | - | Yes | n/a |
| External Antenna Jack | n/a | - | - | - | n/a |
| WAP / Web Browser | n/a | Yes | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | n/a | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | - | Yes | - |
| Touch Screen | Yes | - | - | - | Yes |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | Yes | - | Yes | n/a |
| Instant Messaging | n/a | Yes | - | Yes | n/a |
| MMS | n/a | Yes | Yes | - | n/a |
| Text Messaging Templates | n/a | Yes | - | Yes | n/a |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Music Player | n/a | Yes | - | Yes | n/a |
| Productivity | |||||
| Alarm | n/a | Yes | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | Yes | n/a |
| To-Do List | n/a | Yes | - | - | n/a |
| Voice Memo | n/a | Yes | Yes | Yes | n/a |
| Software | |||||
| BREW | n/a | - | Yes | - | n/a |
| Games | n/a | Yes | Yes | Yes | n/a |
| Java (J2ME) | n/a | Yes | - | Yes | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | n/a | - | Yes | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Palm Treo 755p | Samsung Comeback T559 | Huawei M228 | Samsung Exclaim M550 | Huawei Mercury | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo 755p | Samsung Comeback T559 | Huawei M228 | Samsung Exclaim M550 | Huawei Mercury |
